Data Security (Cambridge (CIE) A Level Computer Science): Exam Questions

The bank also needs to keep its customers’ data private and secure.

The bank’s network has a firewall.

Explain how a firewall can help protect the customers’ data.

An assessment board scans exam papers and stores the digitised papers on a server. Exam markers download the digitised papers to mark. The exam markers then upload the mark for each paper.

The assessment board needs to make sure the data stored on the server is secure.

(i) Authentication methods can help to protect the server against hackers.

Identify one other security measure that helps to protect the server from hackers.

Describe how the security measure works.

(3)

(ii) Identify one security measure that helps to protect the data when it is being transmitted to its destination. Describe how the security measure works.

(3)

Robots are used to serve food and drink to customers at a restaurant.

The data from the robots is transmitted to a central computer using a wireless connection.

Explain how encryption can protect the security of data during transmission.

Authentication is one method a Database Management System (DBMS) can use to improve the security of a database.

Describe other methods that a DBMS can use to improve the security of a database.

State the meaning of privacy of data.

State the meaning of integrity of data.

Describe the following threats to a computer system.

Phishing email

Spyware

A company sells online Computer Science courses to students in different countries.

The courses are stored on a public cloud.

State how the following security measures can be used to protect computer systems.

Firewall ...............................................

Encryption ..........................................

Passwords ..........................................

State one difference and one similarity between pharming and phishing.

Explain how the data security risks of malware can be restricted.